I was writing a letter when she called.这句话的意思该怎么解释,我理解的是“当她打电话的时候我正在写信”,那么后面应该是“when she calling”.请问when这个词都可以连接什么语态?请指教

a,letter,was,just,i,now,writing怎么写 a,letter,was,just,i,now,writing怎么写 As I __a letter to my teacher,Robert __to visit me.A was writing; came B wrote; cameC was writing; was coming D wrote; was coming I ________ novels when I was in his age．A.used to writing B.used to write C.was used to write D.was used to writing I was writing a report last night; ________ I would not have stayed up late. When I _ the letter,he _to visit us?A.wrote;cameB.was writing;C.was writing;cameD.wrote;was coming i am reading,not ___A am writing B write C writing D was writing选哪个,为什么为什么不选A呢 I'm writing a letter I was writing a letter ,He was reading a newspaper（用适当的连词连成一个复合词语） He was writing a letter at that was she here a moment ago?was she here amoment ago?she was there.what are you singing?I'm singing a songwhat are you writing?I'm writing a letter.是否正确? ____ she came in,i was writing a letter A when B while C since D where she was writing a book last year but i don't know whether she had finished it.为什么不是wrote 英语翻译 some years ago I was offered a writing assignment that would require three months of travel through Europe I was taking notes _____ you were writing on the blackboard.A.as B while C.after D.before 求翻译 I was writing aletter when she called When it was that i could finish writing the report I was under the impression that he was a very slow boy ____ h succeeded in writing a big book.A.when B.after C.as D.until